When setting up a gaming station in a tight room, aim for a desk about 100 to...

https://wiki-aero.win/index.php/Where_Should_I_Put_My_PC_If_My_Desk_Is_Small%3F

When setting up a gaming station in a tight room, aim for a desk about 100 to 120 centimetres wide to fit your gear comfortably. Use a monitor arm to free up surface space, and leave at least 75 centimetres of chair clearance behind to move freely